Beginning a spur line into Mokuaweoweo Crater.Leveling in support of gravity operations on Mauna Loa.Party of Lansing Simmons
3/18/2019 12:28:28 PM
Date: 1927
Credit: C&GS; Season's Report Simmons 1927
Location: Mauna Loa, Hawaii
Subject: Geodesy
Subject: Leveling